What Medicine should I use for my hen with a Respiratory Disease? I've read to use Tylan 50, which can be injected & or given orally. I have read that when continued to be given orally, it destroys the chickens throat. I wouldn't want that to happen. I also found Tylan Soluble. The price for that is $50+ or more; I'm only treating my pet chicken so paying that much for something for a Single Hen seems a little odd. If there isn't anything else, I will purchase it, though. Is there any other medicine you would suggest for a Hen with a Respiratory Disease?